Product Name: Song Nai blue3<br>  Transmission radius: 10m<br>  Use way: hang ear type<br>  Brand: Song Dong Nai<br>  Model: blue3<br>  Package Type: official standard<br>  Standby time: 4 days<br>  Whether single binaural: Bilateral stereo<br>  Bluetooth Version: 4.0<br>  Color Category: White Black<br>  Transmission radius: 10m<br>  Channel: 2<br>  Features: multi-point connection<br><br>
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